This is from the M4 TRM (not necessarily true anymore for M33 but the section is missing in the M33 TRM):
• STR Rx,[Ry,#imm] is always one cycle.
…
• LDRD and STRD cannot be pipelined with preceding or following instructions. However, the two words are pipelined together. So, this operation requires three cycles when not stalled.
• LDM and STM cannot be pipelined with preceding or following instructions. …
Statistics: Posted by PicoTinker — Fri Feb 28, 2025 2:50 am